what is hazus-mh?
DESCRIPTION
What is HAZUS-MH?. HAZUS-MH is a planning tool that estimates damage and losses resulting from natural hazards. It is an estimation tool, NOT a deterministic tool It is a planning tool, NOT an engineering tool - PowerPoint PPT PresentationTRANSCRIPT
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What is HAZUS-MH?
It is an estimation tool, NOT a deterministic tool
It is a planning tool, NOT an engineering tool Engineering-level data (i.e. Hydrology & Hydraulic studies) can be
input to increase accuracy, but results still produce planning-level estimations
It also assesses population needs related to emergency management
It also allows users to compare results from different study case scenarios, including mitigation actions
HAZUS-MH is a planning tool that estimates damage and losses resulting from natural hazards
HAZUS-MH is an empirical model based on observation and experiment
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www.THMP.info
H & H
Texas Hazard Mitigation Package
(THMP)
Identification Tool
HAZUS
Loss Estimation Tool
Local Hydrology & Hydraulic Studies
H & H specificapplications
Engineering Tools & Data Highly Accurate
(more expensive)
Easy to Use(less expensive)
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HAZUS-MH: Family of Products
ModelsHAZUS-MH is a multi-hazard (MH) application
Flood, Hurricane (Wind), EarthquakeFlood, Hurricane (Wind), Earthquake
Data Integration Tools• Inventory Collection And Survey Tool (InCAST)• Building Import Tool (BIT)
• * Flood Information Tool (FIT)
Linkage to 3rd-party Models• Areal Locations of Hazardous Atmospheres (ALOHA)
• Flood Waves (FLDWAV)
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HAZUS-MH: Technical Components
Software: Custom GIS (geographic information system) Runs on ESRI products; ArcGIS and Spatial Analyst
• ESRI products must be acquired separately
Spatial Analyst required for Flood Model only
• HAZUS-MH is free from FEMA <www.fema.gov/hazus>
Current HAZUS-MH version (MR1) runs on ArcView 9.0
Data: National data sets Inventory of assets (buildings, infrastructure, population/demographics, etc.)
• Users may modify data sets or model factors
• Users may add their own data
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ArcGIS / ArcView & Spatial Analyst
www.esri.com
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HAZUS-MH: Technical Notes Operating System Requirements
Windows XP SP1 Windows 2000 SP1 – SP4
GIS Requirements ArcGIS 9.0, SP1 Spatial Analyst extension (Flood Model
only)
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HAZUS-MH: Technical RequirementsFrom FEMA Web Site
ArcGIS and HAZUS require significant computing power and resources
(Computer hard disk space varies per dramatically per User)
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HAZUS-MH: Methodology
5. Estimate Losses/Needs
4. Estimate Damage
3. Overlay Inventory
2. Define Flood Hazard
1. Define the Geographic Area for Analysis
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HAZUS-MH: Models
FLOOD HURRICANE EARTHQUAKE
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HAZUS-MH: MethodologyMODEL
FloodHurricane/Wind
Earthquake
Hazard
InventoryBuilding Stock
Essential FacilitiesHigh Potential Loss Facilities
TransportationUtilities
Hazardous MaterialsDemographics/Population
Agricultural ProductsVehicles
PARAMETERS & SCHEMES
Economic
Social
Functionality
System Performance
Direct Loss
Business Interruption
Shelter
Casualties
EssentialFacilities
EmergencyResponse
Power
Transportation
Transportation
Utilities
Water
Dam
age
Ass
essm
ent
LossEstimation
RESULTS
ANALYSIS
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INVENTORY
BuildingsInfrastructure
PopulationLand Use
DIRECT DAMAGEGeneral Building Stock
Essential FacilitiesHigh Potential Loss Facilities
Transportation FacilitiesLifelines
INDUCED DAMAGE
Fire Following FloodHazardous Materials Release
Debris Generation
INDIRECT LOSSESDIRECT LOSSESCost of Repairs/Replacement
Income LossCrop Damage
CasualtiesShelter and Recovery Needs
Supply ShortagesSales DeclineOpportunity CostsEconomic Loss
FrequencyDischarge
Depth/ElevationVelocity
Duration
FLOOD HAZARD
HAZUS-MH Methodology
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HAZUS-MH: Levels of AnalysisCommunity-specific Damage Functions
Link HAZUS with Hydraulic Model
Distribution of Terrain
0%
5%10%
15%
20%25%
30%
35%
40%45%
Perc
enta
ge o
f Are
a
Dam
age
Flood Depth
Level 1
Modify Building Inventory
FIT (add local H & H)
Number of Buildings by Specific Occupancy
0
20
40
60
80
100
120
RES1 RES2 RES3 RES4 RES5 RES6
Bui
ldin
g C
ount
Level 1 DefaultDatabases
Level 2(most users)
Level 3 ExpertSupplied
Data
User Modified Data
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Applications in Mitigation Planning & Emergency Management
HAZUS-MH
Response & Recovery
Loss Reduction
(Mitigation)
Emergency Preparedness
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HAZUS Applications:Emergency Preparedness
Develop emergency response plans
• Temporary housing
• Debris removal
• Emergency power and water
• Emergency medical services
• Evacuation/emergency route clearance
Organize response exercises
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Mitigation Assessment
• Identify ‘at-risk’ communities
Mitigation Measures
• Strengthen existing structures
• Strengthen window/door openings and siding
Mitigation Programs
• Adopt and enforce hazard-resistant building codes
• Land use planning
HAZUS Applications:Mitigation
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Post-disaster damage assessment and ground-truthing
Response planning for critical transportation outages
Identify critical infrastructure
Recovery action planning
Long-term economic recovery planning
HAZUS Applications:Response and Recovery
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Benefit Summary HAZUS-MH allows user to:
• IDENTIFY vulnerable areas that may require planning considerations
• ASSESS level of readiness and preparedness to deal with a disaster before disaster occurs
• ESTIMATE potential losses from specific hazard events (before or after a disaster hits)
• DECIDE on how to allocate resources for most effective and efficient response and recovery
• PRIORITIZE mitigation measures that need to be implemented to reduce future losses (what if)
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FEMA: Ordering HAZUS
• HAZUS-MH Overview• Brochures/Materials• Order Information• Application Case Studies
• National Conference Info• FEMA/EMI Training Schedule• General Contact Info• Technical Support/FAQ’s
www.fema.gov/hazus
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Flood Hazard Model
1.Define Topography
RIVERINE
COASTAL
2. Generate Stream Network
3. Define Study Case
4. Run Hydrology
Segment Shoreline
Enter 100-yr
Elevation
5. ComputeHazard
Initial Step: Create/Open Study Region
Final Step: Run Analysis & View Results
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Initial Step: Create a Study Region
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Inventory
Square Footage
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Inventory
Dollar Exposure
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Flood Water Elevation
- Ground Elevation
= Flood Depth
HAZUS computes:• Floodplain Boundary• *Flood Depth Grid*
Flood Hazard
Vertical Datum: Sea Level
Normal Water Elevation(main channel)
Floodplain Boundary
Flood WaterElevation
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1. Define Topography
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2. Generate Stream Network
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3. Select a Study Case
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4. Run Hydrology
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5. Compute Hazard(Run Hydraulics)
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Final Step: Run Analysis
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View Resultsby Results
Table
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View Resultsby Map
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View Resultsby Attribute Table
REMEMBER! units are in thousands of dollars (derived from HAZUS Tables)
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View Resultsby Summary Report